@Phaselden, @Terence, @Assaflavie: If you like visualization and information design, you might enjoy checking out a visualization of threaded discussions that I was experimenting with a while back. Colours correspond to authors; click on any comment to navigate to it.

It's been six years since I wrote Discussions: Flat or Threaded? and, despite a bunch of evolution on the web since then, my opinion on this has not fundamentally changed. If anything, my opinion has strengthened based on the observed data: precious few threaded discussion models survive on t...